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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A356688 a(n) = n! * Sum_{k=0..n} k^(3*n)/k!.

Table of values

n a(n)
0 1
1 1
2 66
3 21225
4 18952156
5 36175231585
6 126556309395486
7 733064060959310689
8 6540867625730306094360
9 85180334386943946887707617
10 1552697061493449955344530003290
11 38315904135534199560725372265381721
12 1245605749857294018587318829355458646068

List of values

[1, 1, 66, 21225, 18952156, 36175231585, 126556309395486, 733064060959310689, 6540867625730306094360, 85180334386943946887707617, 1552697061493449955344530003290, 38315904135534199560725372265381721, 1245605749857294018587318829355458646068]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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